import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css'// progress bar style
import { getToken } from '@/utils/auth' // getToken from cookie

NProgress.configure({ showSpinner: false })// NProgress Configuration

// permissiom judge function
// function hasPermission(permission, hash) {
//   if (!hash) return true
//   return permission.some(i => i === hash)
// }

const whiteList = ['/login', '/authredirect']// no redirect whitelist

router.beforeEach((to, from, next) => {
  NProgress.start() // start progress bar
  if (getToken()) { // determine if there has token
    /* has token*/
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done() // if current page is dashboard will not trigger	afterEach hook, so manually handle it
    } else {
      // 判断当前用户是否已拉取完user_info信息
      if (store.getters.roles.length === 0) {
        // 拉取user_info
        store.dispatch('GetUserInfo').then(res => {
          // note: roles must be a array! such as: ['editor','develop']
          //
          // const roles = res.data.roles
          const permission = res.data.permission
          // 根据roles权限生成可访问的路由表
          store.dispatch('GenerateRoutesHash', { permission }).then(() => {
            router.addRoutes(store.getters.addRouters)
            console.log('HashRouter', store.getters.addRouters)
            next({ ...to, replace: true })
          })
          // store.dispatch('GenerateRoutes', { roles }).then(() => {
          //   // 动态添加可访问路由表
          //   router.addRoutes(store.getters.addRouters)
          //   // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
          //   next({ ...to, replace: true })
          // })
        }).catch(() => {
          store.dispatch('FedLogOut').then(() => {
            Message.error('Verification failed, please login again')
            next({ path: '/login' })
          })
        })
      } else {
        // 没有动态改变权限的需求可直接next() 删除下方权限判断 ↓
        // 当前要访问目录的权限，在没在 后端给的权限中
        //
        // console.log('permissionList', to)
        // if (hasPermission(store.getters.permission, to.meta.hash)) {
        //   next()//
        // } else {
        //   next({ path: '/401', replace: true, query: { noGoBack: true }})
        // }
        //
        // 可删 ↑
        next()
      }
    }
  } else {
    /* has no token*/
    if (whiteList.indexOf(to.path) !== -1) { // 在免登录白名单，直接进入
      next()
    } else {
      next('/login') // 否则全部重定向到登录页
      NProgress.done() // if current page is login will not trigger afterEach hook, so manually handle it
    }
  }
})

router.afterEach(() => {
  NProgress.done() // finish progress bar
})
